Evaluación de los parámetros hidráulicos (Mualem-van genuchten) de la capa orgánica a través de una modelación inversa en un bosque húmedo de montaña en el sur del Ecuador
The organic layer of the ecosystem of the mountain rainforest plays a crucial role in relation to balance and water transport. The knowledge of the conductivity and the water retention allows quantification of the movement of unsaturated and saturated porous media using the equation of Richards. In...
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| 格式: | bachelorThesis |
| 語言: | spa |
| 出版: |
2014
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| 主題: | |
| 在線閱讀: | http://dspace.unl.edu.ec/jspui/handle/123456789/12138 |
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添加標簽 | 總結: | The organic layer of the ecosystem of the mountain rainforest plays a crucial role in relation to balance and water transport. The knowledge of the conductivity and the water retention allows quantification of the movement of unsaturated and saturated porous media using the equation of Richards. In this study sixteen samples of the organic layer of a mountain rain forest in southern Ecuador (seven in primary forest and nine secondary) in which experiments with different ranges of irrigation were performed were collected. By applying inverse modeling techniques with observed data draining soil hydraulic parameters (K, θ and n using two different approaches to model were estimated. Response surface analyzes and sensitivity analyzes were also performed. Discharge model reproduced well the observed drainage hydrographs, sets optimized parameters were tested against validation experiments with a high predictive power. to simulate the flow of water in the forest is proposed to use the parameter set of the Mualem-van Genuchten model, since it features an acceptable predictive power while only low parameterisation is required. |
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